// Copyright 2024 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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#ifndef SRC_DAWN_COMMON_STACKALLOCATED_H_
#define SRC_DAWN_COMMON_STACKALLOCATED_H_

#include <cstddef>

namespace dawn {

// If a class depends on the StackAllocated base class, then instances may not be allocated on the
// heap.
//
// This is similar to chromium's STACK_ALLOCATED() macro.
//
// TODO(crbug.com/338381306) Consider checking StackAllocated classes are only member of
// StackAllocated classes. This can be implemented by adding `IsStackAllocatedTypeMarker`, and
// enable the 'check-stack-allocated' clang plugin option.
class StackAllocated {
  private:
    void* operator new(size_t) = delete;
    void* operator new(size_t, void*) = delete;
};

}  // namespace dawn

#endif  // SRC_DAWN_COMMON_STACKALLOCATED_H_
